public class Main {
    public static void main(String[] args) {
        System.out.println("Hello world!");
    }
}
class Solution {
    public int searchInsert(int[] nums, int target) {
        int left = 0,right = nums.length-1;
        while (left<right) {
            int mid = left + (right - left) / 2;
            if (nums[mid]<target) left = mid + 1;
            else right = mid;
        }
        //特判
        if (nums[left]<target) left++;
        return left;
    }
}